E(z, t) = ex cos(@t – kz + Þ1) + ey cos(wt – kz + $2) = €;E× +e,Ey %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 4E
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obtain this equation using trigonometric identity

E(z, t) = ex cos(wt – kz + Þ1) + e, cos(wt – kz + $2) = €;E× +eyEy
Ex = E,. cos(}), Ey = E2. cos(§ + 8) , 8 = $2 – $1 1S given
%3D
民,民
E, Ey
R This
2
cos8 = sin²8
%3D
E? ' E?
E, E2
Transcribed Image Text:E(z, t) = ex cos(wt – kz + Þ1) + e, cos(wt – kz + $2) = €;E× +eyEy Ex = E,. cos(}), Ey = E2. cos(§ + 8) , 8 = $2 – $1 1S given %3D 民,民 E, Ey R This 2 cos8 = sin²8 %3D E? ' E? E, E2
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